We add vitamin B3 to our original 20% L-Ascorbic Acid serum to help “brighten” and even the skin tone.

• MADE FRESH WHEN ORDERED FOR MAXIMUM POTENCY: Unlike other serums, C20 Brightening Serum is freshly made upon order and shipped in a light-blocking bottle to ensure peak effectiveness. This tone brightening serum is delivered in its most potent form to repair and protect your skin. Made in the U.S.A. Made Fresh When Ordered with "Date Made" written on bottle—store unopened bottles in the refrigerator.

• ADVANCED BRIGHTENING FORMULA: This skin brightening serum is powered by 20% L-ascorbic acid (Vitamin C) and niacinamide (Vitamin B3) to visibly reduce dark spots, discoloration, and uneven skin tone. Experience a brightening face serum that helps fade melasma, acne scars, and sun damage.

• ANTI-AGING AND COLLAGEN BOOSTING: This high-potency formula helps reduce fine lines, wrinkles, and sun damage while boosting collagen production for firmer, youthful-looking skin. Regular use improves skin elasticity, leaving it smoother and more radiant in as little as 6-8 weeks.

• CLINICALLY PROVEN TO REPAIR AND PROTECT SKIN: With a high concentration of L-ascorbic acid, this face brightening serum promotes collagen production, reduces fine lines, and shields against environmental damage. Noticeably firmer, smoother, and healthier-looking skin in as little as 6-8 weeks.

• FAST-ABSORBING AND OIL-FREE: Designed for all skin types, this lightweight, water-based serum absorbs quickly without leaving a greasy residue. Ideal for layering under sunscreen, moisturizer, and makeup. Use up to twice daily for optimal skin brightening results.

• STABLE AND EFFECTIVE FOR UP TO 3 MONTHS: Stored properly, this brightening serum maintains its potency for up to 3 months. Keep it in a cool, dark place or refrigerate it to preserve its effectiveness. Always fresh, high-potency skincare you can trust.

Ingredients:

Purified Water, 20% L-ascorbic acid, niacinamide (Vitamin B3), citric acid, magnesium sulfate, glycerin. pH of 3.00

Precautions:

For external use only. Do not apply to mucous membranes or eyes. Avoid contact with clothing—close cap tightly and store in a cool, dark place.  

Directions:

Cleanse skin. Apply sparingly (begin with 5-6 drops) to the skin. Let dry. Use before sunscreen or makeup. A mild, warm tingling sensation may be felt after application. Discontinue use if skin irritation results or if you develop an allergic reaction. Do not use if serum turns dark amber.